PCB with double-sided 2MM thick FR4 material. High-power tube for the original Toshiba 1943

5200, small signal tube using the original BC546B BC556B. The push tube use of Toshiba

original A1930 C5171.

TOSHIBA TTA1943 TTC5200：150W 15A 230V

Designed for single differential, single-ended voltage complementary output amplifiers,

SNR: 110db

Distortion A weighted: ＜0.01 SR = 40V /US

Frequency response: 20-20K +/- 0.5db

Recommended operating voltage: Dual AC 36V, DC +/- 50V.

Power: 100W 8 ohm

200W 4 ohm

350W 2 ohm

Bridge Power: 400W 8 ohm (Mono)

(Bridge need buy XLR balance bridge board, Can also be purchased in my store)

Recommended quiescent current single tube 50mA. Adjust the voltage across the 0.22R resistor

PCB Size: 200mm * 42mm

NOTE: This is a finished board for soldering and testing OK.

Package Includes:

L11 Power amplifier finished board X2